I had a web server that ran Ubuntu, but the hard drive failed recently and everything was erased. I decided to try CentOS on the machine instead of Ubuntu, since it's based on Red Hat. That association meant a lot to me because Red Hat is a commercial server product and is officially supported by my server's manufacturer. However, after a few days I'm starting to miss Ubuntu. I have trouble finding some of the packages I want in the …
我们的服务器有三个以太网接口。我有一个插入电缆调制解调器（用于静态 ip），另一个插入路由器（用于访问工作网络的其余部分）。我很确定我在 Xubuntu 下同时运行了两个界面，但是在 Ubuntu Server 下我似乎无法做到这一点；如果我连接到工作网络，我的静态 IP 将停止工作。这种方式违背了拥有多个以太网接口的目的。怎样才能让这两个界面愉快的生活在一起呢？
route输出：
eth0 关闭
Destination Gateway Genmask Flags Metric Ref Use Iface
74.218.198.192 * 255.255.255.248 U 0 0 0 eth2
default rrcs-74-218-198 0.0.0.0 UG 100 0 0 eth2
eth0 up（在前两行之后挂起，所以我使用了route -n）
Destination Gateway Genmask Flags Metric Ref Use Iface
74.218.198.192 0.0.0.0 255.255.255.248 U 0 0 0 eth2
192.168.2.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
0.0.0.0 192.168.2.1 0.0.0.0 UG 100 0 0 eth0
0.0.0.0 74.218.198.193 0.0.0.0 UG 100 …